82 lines
No EOL
2.5 KiB
Dart
82 lines
No EOL
2.5 KiB
Dart
part of angel_framework.http;
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/// An in-memory [Service].
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class MemoryService<T> extends Service {
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God god = new God();
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Map <int, T> items = {};
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_makeJson(int index, T t) {
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if (T == null || T == Map)
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return mergeMap([god.serializeToMap(t), {'id': index}]);
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else
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return t;
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}
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Future<List> index([Map params]) async {
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return items.keys
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.where((index) => items[index] != null)
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.map((index) => _makeJson(index, items[index]))
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.toList();
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}
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Future read(id, [Map params]) async {
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int desiredId = int.parse(id.toString());
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if (items.containsKey(desiredId)) {
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T found = items[desiredId];
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if (found != null) {
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return _makeJson(desiredId, found);
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} else throw new AngelHttpException.NotFound();
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} else throw new AngelHttpException.NotFound();
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}
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Future create(data, [Map params]) async {
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//try {
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print("Data: $data");
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var created = (data is Map) ? god.deserializeFromMap(data, T) : data;
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print("Created $created");
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items[items.length] = created;
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return _makeJson(items.length - 1, created);
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/*} catch (e) {
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throw new AngelHttpException.BadRequest(message: 'Invalid data.');
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}*/
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}
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Future modify(id, data, [Map params]) async {
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int desiredId = int.parse(id.toString());
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if (items.containsKey(desiredId)) {
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try {
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Map existing = god.serializeToMap(items[desiredId]);
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data = mergeMap([existing, data]);
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items[desiredId] =
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(data is Map) ? god.deserializeFromMap(data, T) : data;
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return _makeJson(desiredId, items[desiredId]);
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} catch (e) {
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throw new AngelHttpException.BadRequest(message: 'Invalid data.');
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}
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} else throw new AngelHttpException.NotFound();
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}
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Future update(id, data, [Map params]) async {
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int desiredId = int.parse(id.toString());
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if (items.containsKey(desiredId)) {
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try {
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items[desiredId] =
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(data is Map) ? god.deserializeFromMap(data, T) : data;
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return _makeJson(desiredId, items[desiredId]);
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} catch (e) {
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throw new AngelHttpException.BadRequest(message: 'Invalid data.');
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}
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} else throw new AngelHttpException.NotFound();
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}
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Future remove(id, [Map params]) async {
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int desiredId = int.parse(id.toString());
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if (items.containsKey(desiredId)) {
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T item = items[desiredId];
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items[desiredId] = null;
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return _makeJson(desiredId, item);
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} else throw new AngelHttpException.NotFound();
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}
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MemoryService() : super();
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} |